13988384 has 12 divisors (see below), whose sum is σ = 27539694. Its totient is φ = 6994176.

The previous prime is 13988341. The next prime is 13988413. The reversal of 13988384 is 48388931.

It can be written as a sum of positive squares in only one way, i.e., 13987600 + 784 = 3740^2 + 28^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218537 + ... + 218600.

Almost surely, 2^13988384 is an apocalyptic number.

It is an amenable number.

13988384 is a deficient number, since it is larger than the sum of its proper divisors (13551310).

13988384 is an equidigital number, since it uses as much as digits as its factorization.

13988384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437147 (or 437139 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 13988384 is about 3740.1048113656. The cubic root of 13988384 is about 240.9475503245.

The spelling of 13988384 in words is "thirteen million, nine hundred eighty-eight thousand, three hundred eighty-four".